EP3404057A4 - Superabsorbent polymer and method for manufacturing same - Google Patents
Superabsorbent polymer and method for manufacturing same Download PDFInfo
- Publication number
- EP3404057A4 EP3404057A4 EP17883772.0A EP17883772A EP3404057A4 EP 3404057 A4 EP3404057 A4 EP 3404057A4 EP 17883772 A EP17883772 A EP 17883772A EP 3404057 A4 EP3404057 A4 EP 3404057A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- superabsorbent polymer
- manufacturing same
- manufacturing
- same
- superabsorbent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 229920000247 superabsorbent polymer Polymers 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
- C08J3/075—Macromolecular gels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/04—Polymerisation in solution
- C08F2/06—Organic solvent
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
- C08F20/04—Acids, Metal salts or ammonium salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
- C08F20/10—Esters
- C08F20/12—Esters of monohydric alcohols or phenols
- C08F20/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F20/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
- C08J3/245—Differential crosslinking of one polymer with one crosslinking type, e.g. surface crosslinking
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/06—Ethers; Acetals; Ketals; Ortho-esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
- C08L71/02—Polyalkylene oxides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2207/00—Foams characterised by their intended use
- C08J2207/12—Sanitary use, e.g. diapers, napkins or bandages
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2300/00—Characterised by the use of unspecified polymers
- C08J2300/14—Water soluble or water swellable polymers, e.g. aqueous gels
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2333/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2371/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
- C08J2371/02—Polyalkylene oxides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/262—Alkali metal carbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/267—Magnesium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Hematology (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20160174930 | 2016-12-20 | ||
KR1020170155824A KR102086050B1 (en) | 2016-12-20 | 2017-11-21 | Super absorbent polymer and preparation method thereof |
PCT/KR2017/013366 WO2018117441A1 (en) | 2016-12-20 | 2017-11-22 | Superabsorbent polymer and method for manufacturing same |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3404057A1 EP3404057A1 (en) | 2018-11-21 |
EP3404057A4 true EP3404057A4 (en) | 2019-04-10 |
Family
ID=62780240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17883772.0A Withdrawn EP3404057A4 (en) | 2016-12-20 | 2017-11-22 | Superabsorbent polymer and method for manufacturing same |
Country Status (4)
Country | Link |
---|---|
US (2) | US10961356B2 (en) |
EP (1) | EP3404057A4 (en) |
KR (1) | KR102086050B1 (en) |
CN (1) | CN108779266A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102167661B1 (en) | 2017-02-10 | 2020-10-19 | 주식회사 엘지화학 | Super absorbent polymer and preparation method thereof |
KR102457232B1 (en) | 2018-09-27 | 2022-10-20 | 주식회사 엘지화학 | Preparation method for super absorbent polymer sheet |
KR102648697B1 (en) * | 2018-12-17 | 2024-03-15 | 주식회사 엘지화학 | Preparation method for super absorbent polymer, and super absorbent polymer |
KR102421375B1 (en) * | 2019-01-11 | 2022-07-14 | 주식회사 엘지화학 | Preparation method of super absorbent polymer |
CN113811337A (en) * | 2019-05-07 | 2021-12-17 | 金伯利-克拉克环球有限公司 | Absorbent article |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2518092A1 (en) * | 2009-12-24 | 2012-10-31 | Nippon Shokubai Co., Ltd. | Water-absorbable polyacrylic acid resin powder, and process for production thereof |
EP3098245A1 (en) * | 2014-11-27 | 2016-11-30 | LG Chem, Ltd. | Superabsorbent polymer having fast absorption rate under load and preparation method therefor |
EP3165542A1 (en) * | 2014-10-08 | 2017-05-10 | LG Chem, Ltd. | Method for preparing super absorbent resin |
EP3412709A1 (en) * | 2016-12-13 | 2018-12-12 | LG Chem, Ltd. | Superabsorbent polymer and manufacturing method therefor |
Family Cites Families (30)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS56161408A (en) | 1980-05-19 | 1981-12-11 | Kao Corp | Production of water-absorbing resin |
JPS5916725B2 (en) | 1980-05-30 | 1984-04-17 | ネオフイルタ−工業株式会社 | Method of manufacturing lawn seed mats |
JPS57158209A (en) | 1981-03-25 | 1982-09-30 | Kao Corp | Production of bead-form highly water-absorbing polymer |
JPS57198714A (en) | 1981-05-29 | 1982-12-06 | Sumitomo Chem Co Ltd | Production of hydrogel |
KR910003869B1 (en) | 1987-12-21 | 1991-06-15 | 한국과학기술원 | Preparation of alkaly metal arcrylate resin having good absorption |
KR930007272B1 (en) | 1988-06-28 | 1993-08-04 | 닙본 쇼쿠바이 가브시기 가이샤 | Water-absorbent resin and production process |
JP2881739B2 (en) | 1989-09-04 | 1999-04-12 | 株式会社日本触媒 | Method for producing water absorbent resin |
US5314420A (en) * | 1993-09-17 | 1994-05-24 | Nalco Chemical Company | Superabsorbent polymer having improved absorption rate and absorption under pressure |
US5912276A (en) * | 1996-05-30 | 1999-06-15 | Shell Oil Company | Process to prepare low density porous cross-linked polymeric materials |
US6271278B1 (en) | 1997-05-13 | 2001-08-07 | Purdue Research Foundation | Hydrogel composites and superporous hydrogel composites having fast swelling, high mechanical strength, and superabsorbent properties |
EP1402905A1 (en) * | 2002-09-24 | 2004-03-31 | The Procter & Gamble Company | Liquid absorbent thermoplastic composition comprising superabsorbent material particles of substantially anglelacking shape |
WO2005092956A1 (en) | 2004-03-29 | 2005-10-06 | Nippon Shokubai Co., Ltd. | Particulate water absorbing agent with water-absorbing resin as main component |
EP1882701B1 (en) * | 2005-05-16 | 2018-07-04 | Sumitomo Seika Chemicals Co., Ltd. | Process for production of water-absorbing resin particles, water-absorbing resin particles made by the process, and absorbents and absorbent articles made by using the particles |
JP4721780B2 (en) | 2005-06-10 | 2011-07-13 | 住友精化株式会社 | Method for producing porous water-absorbing polymer particles |
JP5137227B2 (en) | 2006-12-25 | 2013-02-06 | 旭化成ケミカルズ株式会社 | Hollow water absorbent resin |
DE102008030712A1 (en) | 2008-06-27 | 2009-12-31 | Construction Research & Technology Gmbh | Time-delayed superabsorbent polymers |
SG172397A1 (en) | 2008-12-26 | 2011-07-28 | San Dia Polymers Ltd | Absorbing resin particles, process for producing same, and absorbent and absorbing article both including same |
JP5916725B2 (en) | 2011-06-24 | 2016-05-11 | 住友精化株式会社 | Method for producing water absorbent resin |
CN102408505B (en) | 2011-10-12 | 2014-04-23 | 浙江卫星石化股份有限公司 | Method for preparing super absorbent resin by inverse suspension polymerization |
JP6013729B2 (en) | 2011-12-27 | 2016-10-25 | 株式会社リブドゥコーポレーション | Water-absorbent resin powder and absorbent body and absorbent article using the same |
US20130274349A1 (en) | 2012-04-12 | 2013-10-17 | Jian Qin | Open-celled foam with superabsorbent material and process for making the same |
EP2905072B1 (en) * | 2012-10-03 | 2018-05-30 | Nippon Shokubai Co., Ltd. | Absorbent and manufacturing method therefor |
CN105073792B (en) | 2012-11-21 | 2017-08-11 | 巴斯夫欧洲公司 | A kind of method that drop by polymerized monomer solution prepares water-absorbing polymeric particles |
DE102013209023A1 (en) | 2013-05-15 | 2014-11-20 | Evonik Industries Ag | Superabsorbent polymers with fast absorption properties and process for its preparation |
CN105916897B (en) | 2013-10-30 | 2018-10-09 | 巴斯夫欧洲公司 | The method for preparing water-absorbing polymeric particles by suspension polymerisation |
EP4252728A3 (en) * | 2013-12-20 | 2024-01-10 | Nippon Shokubai Co., Ltd. | Water absorbing agent based on polyacrylic acid and/or a salt thereof |
US20150283284A1 (en) | 2014-04-07 | 2015-10-08 | Evonik Corporation | Superabsorbent polymer having fast absorption |
BR102015007414B8 (en) | 2014-04-07 | 2022-08-23 | Evonik Corp | SUPERABSORBENT POLYMER PRESENTING RAPID ABSORPTION, ITS MANUFACTURING PROCESS, AND ABSORBENT ARTICLE |
JP2017531531A (en) | 2014-10-24 | 2017-10-26 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | Fluid absorbent article |
KR101855353B1 (en) | 2015-06-09 | 2018-05-08 | 주식회사 엘지화학 | Preparation method for super absorbent polymer and super absorbent polymer prepared therefrom |
-
2017
- 2017-11-21 KR KR1020170155824A patent/KR102086050B1/en active IP Right Grant
- 2017-11-22 US US16/080,904 patent/US10961356B2/en active Active
- 2017-11-22 EP EP17883772.0A patent/EP3404057A4/en not_active Withdrawn
- 2017-11-22 CN CN201780018718.5A patent/CN108779266A/en active Pending
-
2021
- 2021-02-10 US US17/172,578 patent/US11814489B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2518092A1 (en) * | 2009-12-24 | 2012-10-31 | Nippon Shokubai Co., Ltd. | Water-absorbable polyacrylic acid resin powder, and process for production thereof |
EP3165542A1 (en) * | 2014-10-08 | 2017-05-10 | LG Chem, Ltd. | Method for preparing super absorbent resin |
EP3098245A1 (en) * | 2014-11-27 | 2016-11-30 | LG Chem, Ltd. | Superabsorbent polymer having fast absorption rate under load and preparation method therefor |
EP3412709A1 (en) * | 2016-12-13 | 2018-12-12 | LG Chem, Ltd. | Superabsorbent polymer and manufacturing method therefor |
Also Published As
Publication number | Publication date |
---|---|
CN108779266A (en) | 2018-11-09 |
KR102086050B1 (en) | 2020-03-06 |
US20190248963A1 (en) | 2019-08-15 |
KR20180071940A (en) | 2018-06-28 |
US11814489B2 (en) | 2023-11-14 |
US20210163693A1 (en) | 2021-06-03 |
EP3404057A1 (en) | 2018-11-21 |
US10961356B2 (en) | 2021-03-30 |
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